1 /************************************************************************
2 * This file is part of Wizznic. *
3 * Copyright 2009-2015 Jimmy Christensen <dusted@dusted.dk> *
4 * Wizznic is free software: you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation, either version 3 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * Wizznic is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with Wizznic. If not, see <http://www.gnu.org/licenses/>. *
16 ************************************************************************/
17
18 #include "pointer.h"
19 #include "ticks.h"
20 #include "defs.h"
21 #include "sprite.h"
22 #include "pixel.h"
23 #include "input.h"
24
25 static inpPointerState_t inpPointer;
26 static SDL_Surface* ptrBackImg;
27 static SDL_Rect ptrBackRect;
28 static SDL_Rect backBtnDstRect;
29
getInpPointerState()30 inpPointerState_t* getInpPointerState()
31 {
32 return(&inpPointer);
33 }
34
initPointer(SDL_Surface * screen)35 void initPointer(SDL_Surface* screen)
36 {
37 //Load the "escape" overlay image
38 ptrBackImg = loadImg(DATADIR"data/ptr-back.png");
39 if( !ptrBackImg )
40 printf("Couldn't open %s\n",DATADIR"data/ptr-back.png");
41
42 ptrBackRect.x=HSCREENW-160;;
43 ptrBackRect.y=HSCREENH-120;;
44 ptrBackRect.w=ptrBackRect.x+ptrBackImg->w;
45 ptrBackRect.h=ptrBackRect.y+ptrBackImg->h;
46
47 backBtnDstRect.x = HSCREENW-160;
48 backBtnDstRect.y = HSCREENH-120;
49
50 memset( &inpPointer, 0, sizeof(inpPointerState_t) );
51 inpPointer.timeSinceMoved=POINTER_SHOW_TIMEOUT;
52
53 //The color white
54 inpPointer.colWhite = SDL_MapRGBA( screen->format, 255,255,255,255 );
55 }
56
drawPointer(SDL_Surface * screen)57 void drawPointer(SDL_Surface* screen)
58 {
59 if( inpPointer.timeSinceMoved < POINTER_SHOW_TIMEOUT )
60 {
61 //Update pointer-holddown time
62 if(inpPointer.isDown)
63 inpPointer.downTime += getTicks();
64
65 if( inpPointer.escEnable )
66 {
67 inpPointer.escEnable=0;
68 SDL_BlitSurface( ptrBackImg, NULL, screen,&backBtnDstRect);
69 }
70
71 plotPixel(screen, inpPointer.vpX, inpPointer.vpY, inpPointer.colWhite );
72
73 plotPixel(screen, inpPointer.vpX, inpPointer.vpY-2, inpPointer.colWhite );
74 plotPixel(screen, inpPointer.vpX, inpPointer.vpY+2, inpPointer.colWhite );
75
76 plotPixel(screen, inpPointer.vpX-2, inpPointer.vpY, inpPointer.colWhite );
77 plotPixel(screen, inpPointer.vpX+2, inpPointer.vpY, inpPointer.colWhite );
78
79 }
80 }
81
82 //The mousepointer is only "clicked" the first iteration that it is held down (when downTime is still 0)
83 //So, if the downtime is 0, then there is a chance that it is being hold down.
isPointerClicked()84 int_fast8_t isPointerClicked()
85 {
86 if( inpPointer.downTime==0 )
87 {
88 return(inpPointer.isDown);
89 }
90 return(0);
91 }
92
isPointerInBox(SDL_Rect * r)93 int_fast8_t isPointerInBox( SDL_Rect* r )
94 {
95 if( r->x < inpPointer.vpX && r->w > inpPointer.vpX && r->y < inpPointer.vpY && r->h > inpPointer.vpY )
96 {
97 inpPointer.hitABox=1;
98 return(1);
99 }
100 return(0);
101 }
102
isBoxClicked(SDL_Rect * r)103 int_fast8_t isBoxClicked( SDL_Rect* r )
104 {
105 if( isPointerClicked() )
106 {
107 return( isPointerInBox(r));
108 }
109 return(0);
110 }
111
isPointerEscapeClicked()112 int_fast8_t isPointerEscapeClicked()
113 {
114 if( inpPointer.escEnable && isBoxClicked( &ptrBackRect ) )
115 {
116 inpPointer.hitABox=0;
117 resetMouseBtn();
118 return(1);
119 }
120 return(0);
121 }
122
isAnyBoxHit()123 int_fast8_t isAnyBoxHit()
124 {
125 return(inpPointer.hitABox);
126 }
127
128
